20025502541525 has 48 divisors (see below), whose sum is σ = 28189951352640. Its totient is φ = 13989466713600.

The previous prime is 20025502541501. The next prime is 20025502541549. The reversal of 20025502541525 is 52514520552002.

It is an interprime number because it is at equal distance from previous prime (20025502541501) and next prime (20025502541549).

It is not a de Polignac number, because 20025502541525 - 2¹² = 20025502537429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1920329 + ... + 6613521.

It is an arithmetic number, because the mean of its divisors is an integer number (587290653180).

Almost surely, 2^{20025502541525} is an apocalyptic number.

20025502541525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20025502541525 is a deficient number, since it is larger than the sum of its proper divisors (8164448811115).

20025502541525 is a wasteful number, since it uses less digits than its factorization.

20025502541525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4693926 (or 4693921 counting only the distinct ones).

The product of its (nonzero) digits is 200000, while the sum is 38.

The spelling of 20025502541525 in words is "twenty trillion, twenty-five billion, five hundred two million, five hundred forty-one thousand, five hundred twenty-five".